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Finding the Fourth Proportional to 496,914.30, 745,371.45 and 443,000.70

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Solution

The fourth proportional to 496,914.30, 745,371.45 and 443,000.70 is: 664,501.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,914.30 : 745,371.45 = 443,000.70 : x
  2. Step 2: Convert to fraction form
    496,914.30/745,371.45 = 443,000.70/x
  3. Step 3: Cross multiply
    496,914.30x = 745,371.45 × 443,000.70
  4. Step 4: Simplify right side
    496,914.30x = 330,200,074,110.02
  5. Step 5: Solve for x
    x = 330,200,074,110.02/496,914.30
  6. Step 6: Final answer
    x = 664,501.05

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.